[USRP-users] Flat response from a signal generator
nick at ettus.com
Wed Nov 10 13:06:03 EST 2010
The BasicRX will not pass signals below 0.1MHz due to the transformers
it uses. The LFRX is an alternative daughterboard which goes to DC.
Try a signal at 1MHz and see if it shows up.
On Wed, 2010-11-10 at 16:20 +0100, Jorge Miguel wrote:
> I am using USRP2 with basic RX under matlab.
> When I connect a piece of wire to my basic RX and I run commusrp2.mdl
> I can see noise plus a DC component in the spectrum (which I no not
> know where it comes from). However when I connect my signal generator
> to the basic receiver I get a perfect flat spectrum. I do not get even
> The signal I connect is a sine wave of 20KHz. I set an amplitude up to
> 200mvolts since I do not want to damage anything.
> Any ideas why I cannot see my single tone in the received spectrum?
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